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Literature summary extracted from

  • Miyawaki, K.; Matsumoto-Kitano, M.; Kakimoto, T.
    Expression of cytokinin biosynthetic isopentenyltransferase genes in Arabidopsis: tissue specificity and regulation by auxin, cytokinin, and nitrate (2004), Plant J., 37, 128-138.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.5.1.27 additional information Arabidopsis thaliana AtIPT3 is upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants ?
-
 ?
2.5.1.112 dimethylallyl diphosphate + ADP Arabidopsis thaliana
-
 diphosphate + N6-(dimethylallyl)adenosine 5'-diphosphate
-
 ?
2.5.1.112 dimethylallyl diphosphate + ATP Arabidopsis thaliana
-
 diphosphate + N6-(dimethylallyl)adenosine 5'-triphosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.27 Arabidopsis thaliana
-
 AtIPT1
-
2.5.1.27 Arabidopsis thaliana
-
 AtIPT3
-
2.5.1.27 Arabidopsis thaliana
-
 AtIPT4
-
2.5.1.27 Arabidopsis thaliana
-
 AtIPT5
-
2.5.1.27 Arabidopsis thaliana
-
 AtIPT7
-
2.5.1.75 Arabidopsis thaliana
-
 isoforms IPT2, IPT9
-
2.5.1.112 Arabidopsis thaliana Q93WC9 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q94ID1 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q94ID2 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q94ID3 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q9C6L1 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q9LJL4 ecotype WS
-
2.5.1.112 Arabidopsis thaliana Q9SB60 ecotype WS
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.5.1.27 branch AtIPT1 Arabidopsis thaliana
-
2.5.1.27 endosperm chalazal Arabidopsis thaliana
-
2.5.1.27 fruit fruit abscission zone Arabidopsis thaliana
-
2.5.1.27 inflorescence upper part of younger inflorescences Arabidopsis thaliana
-
2.5.1.27 leaf AtIPT1 Arabidopsis thaliana
-
2.5.1.27 leaf trichome in young leaf Arabidopsis thaliana
-
2.5.1.27 phloem AtIPT3, upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants Arabidopsis thaliana
-
2.5.1.27 plant ovule AtIPT1 Arabidopsis thaliana
-
2.5.1.27 pollen tube
-
 Arabidopsis thaliana
-
2.5.1.27 root endodermis of root elongation zone Arabidopsis thaliana
-
2.5.1.27 root predominant expression in xylem precursor cell files in the root tip, AtIPT1 Arabidopsis thaliana
-
2.5.1.27 root primordia, columella root caps Arabidopsis thaliana
-
2.5.1.27 seed immature, AtIPT1 Arabidopsis thaliana
-
2.5.1.27 seed immature, AtIPT4 Arabidopsis thaliana
-
2.5.1.75 additional information ubiquitous expression, highest in proliferating tissue Arabidopsis thaliana
-
2.5.1.112 bud
-
 Arabidopsis thaliana
-
2.5.1.112 endosperm predominant expression of isoform IPT4 Arabidopsis thaliana
-
2.5.1.112 endosperm predominant expression of isoform IPT8 Arabidopsis thaliana
-
2.5.1.112 flower
-
 Arabidopsis thaliana
-
2.5.1.112 leaf predominant expression of isoform IPT1 Arabidopsis thaliana
-
2.5.1.112 leaf predominant expression of isoform IPT7 Arabidopsis thaliana
-
2.5.1.112 phloem expression of isoform IPT3 Arabidopsis thaliana
-
2.5.1.112 plant ovule predominant expression of isoform IPT1 Arabidopsis thaliana
-
2.5.1.112 pollen predominant expression of isoform IPT7 Arabidopsis thaliana
-
2.5.1.112 root predominant expression of isoform IPT1 Arabidopsis thaliana
-
2.5.1.112 root predominant expression of isoform IPT5 Arabidopsis thaliana
-
2.5.1.112 root predominant expression of isoform IPT7 Arabidopsis thaliana
-
2.5.1.112 seed immature seed, predominant expression of isoform IPT1 Arabidopsis thaliana
-
2.5.1.112 seed immature seed, predominant expression of isoform IPT4 Arabidopsis thaliana
-
2.5.1.112 seed immature seed, predominant expression of isoform IPT8 Arabidopsis thaliana
-
2.5.1.112 silique
-
 Arabidopsis thaliana
-
2.5.1.112 stem
-
 Arabidopsis thaliana
-
2.5.1.112 xylem
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.27 additional information AtIPT3 is upregulated within 1 h after an application of nitrate zo mineral-strved Arabidopsis plants Arabidopsis thaliana ?
-
 ?
2.5.1.112 dimethylallyl diphosphate + ADP
-
 Arabidopsis thaliana diphosphate + N6-(dimethylallyl)adenosine 5'-diphosphate
-
 ?
2.5.1.112 dimethylallyl diphosphate + ATP
-
 Arabidopsis thaliana diphosphate + N6-(dimethylallyl)adenosine 5'-triphosphate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
2.5.1.27 AtIPT1
-
 Arabidopsis thaliana
2.5.1.27 AtIPT3
-
 Arabidopsis thaliana
2.5.1.27 AtIPT4
-
 Arabidopsis thaliana
2.5.1.27 AtIPT5
-
 Arabidopsis thaliana
2.5.1.27 AtIPT7
-
 Arabidopsis thaliana
2.5.1.27 ATP/ADP isopentenyltransferase
-
 Arabidopsis thaliana
2.5.1.75 IPT2
-
 Arabidopsis thaliana
2.5.1.75 IPT9
-
 Arabidopsis thaliana
2.5.1.112 adenylate isopentenyltransferase
-
 Arabidopsis thaliana
2.5.1.112 ATP/ADP isopentenyltransferase
-
 Arabidopsis thaliana
2.5.1.112 IPT
-
 Arabidopsis thaliana
2.5.1.112 IPT1 isoform Arabidopsis thaliana
2.5.1.112 IPT3 isoform Arabidopsis thaliana
2.5.1.112 IPT4 isoform Arabidopsis thaliana
2.5.1.112 IPT5 isoform Arabidopsis thaliana
2.5.1.112 IPT6 isoform Arabidopsis thaliana
2.5.1.112 IPT7 isoform Arabidopsis thaliana
2.5.1.112 IPT8 isoform Arabidopsis thaliana

Cofactor

EC Number Cofactor Comment Organism Structure
2.5.1.112 ADP
-
 Arabidopsis thaliana
2.5.1.112 ATP
-
 Arabidopsis thaliana

Expression

EC Number Organism Comment Expression
2.5.1.112 Arabidopsis thaliana isoform IPT1 is down-regulated by the cytokinin 4-(indol-3-yl)butyric acid within 4 h down
2.5.1.112 Arabidopsis thaliana isoform IPT3 is down-regulated by the cytokinin 4-(indol-3-yl)butyric acid within 4 h down
2.5.1.112 Arabidopsis thaliana isoform IPT5 is down-regulated by the cytokinin 4-(indol-3-yl)butyric acid within 4 h down
2.5.1.112 Arabidopsis thaliana isoform IPT7 is down-regulated by the cytokinin 4-(indol-3-yl)butyric acid within 4 h down
2.5.1.112 Arabidopsis thaliana isoform IPT3 is rapidly induced by 1 h treatment with nitrate up
2.5.1.112 Arabidopsis thaliana isoform IPT5 is up-regulated by 4,4'-isopropylidenediphenol (bisphenol A) treatment for 4 h up
2.5.1.112 Arabidopsis thaliana isoform IPT7 is up-regulated by 4,4'-isopropylidenediphenol (bisphenol A) treatment for 4 h up